| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.codeInsight.editorActions; |
| |
| import com.intellij.application.options.editor.WebEditorOptions; |
| import com.intellij.codeInsight.highlighting.BraceMatchingUtil; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.lang.xml.XMLLanguage; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.EditorModificationUtil; |
| import com.intellij.openapi.editor.ScrollType; |
| import com.intellij.openapi.editor.ex.EditorEx; |
| import com.intellij.openapi.editor.highlighter.HighlighterIterator; |
| import com.intellij.openapi.fileTypes.FileType; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.*; |
| import com.intellij.psi.codeStyle.CodeStyleManager; |
| import com.intellij.psi.html.HtmlTag; |
| import com.intellij.psi.impl.source.xml.XmlTokenImpl; |
| import com.intellij.psi.templateLanguages.OuterLanguageElement; |
| import com.intellij.psi.templateLanguages.TemplateLanguageFileViewProvider; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.xml.*; |
| import com.intellij.util.IncorrectOperationException; |
| import com.intellij.util.containers.ContainerUtil; |
| import com.intellij.xml.XmlElementDescriptor; |
| import com.intellij.xml.XmlElementDescriptorWithCDataContent; |
| import com.intellij.xml.util.HtmlUtil; |
| import com.intellij.xml.util.XmlUtil; |
| import org.jetbrains.annotations.NonNls; |
| |
| import java.util.Collection; |
| |
| public class XmlGtTypedHandler extends TypedHandlerDelegate { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.codeInsight.editorActions.TypedHandler"); |
| |
| @Override |
| public Result beforeCharTyped(final char c, final Project project, Editor editor, PsiFile editedFile, final FileType fileType) { |
| final WebEditorOptions webEditorOptions = WebEditorOptions.getInstance(); |
| if (c == '>' && webEditorOptions != null && webEditorOptions.isAutomaticallyInsertClosingTag() && fileContainsXmlLanguage(editedFile)) { |
| PsiDocumentManager.getInstance(project).commitAllDocuments(); |
| |
| PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument()); |
| FileViewProvider provider = editedFile.getViewProvider(); |
| int offset = editor.getCaretModel().getOffset(); |
| |
| PsiElement element, elementAtCaret = null; |
| |
| if (offset < editor.getDocument().getTextLength()) { |
| elementAtCaret = element = provider.findElementAt(offset, XMLLanguage.class); |
| |
| if (element == null && offset > 0) { |
| // seems like a template language |
| // <xml_code><caret><outer_element> |
| elementAtCaret = element = provider.findElementAt(offset - 1, XMLLanguage.class); |
| } |
| if (!(element instanceof PsiWhiteSpace)) { |
| boolean nonAcceptableDelimiter = true; |
| |
| if (element instanceof XmlToken) { |
| IElementType tokenType = ((XmlToken)element).getTokenType(); |
| |
| if (tokenType == XmlTokenType.XML_START_TAG_START || tokenType == XmlTokenType.XML_END_TAG_START) { |
| if (offset > 0) { |
| PsiElement previousElement = provider.findElementAt(offset - 1, XMLLanguage.class); |
| |
| if (previousElement instanceof XmlToken) { |
| tokenType = ((XmlToken)previousElement).getTokenType(); |
| element = previousElement; |
| nonAcceptableDelimiter = false; |
| } |
| } |
| } else if (tokenType == XmlTokenType.XML_NAME) { |
| if (element.getNextSibling() instanceof PsiErrorElement) { |
| nonAcceptableDelimiter = false; |
| } |
| } |
| |
| if (tokenType == XmlTokenType.XML_TAG_END || |
| tokenType == XmlTokenType.XML_EMPTY_ELEMENT_END && element.getTextOffset() == offset - 1) { |
| EditorModificationUtil.moveCaretRelatively(editor, 1); |
| editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE); |
| return Result.STOP; |
| } |
| } |
| if (nonAcceptableDelimiter) return Result.CONTINUE; |
| } else { |
| // check if right after empty end |
| PsiElement previousElement = provider.findElementAt(offset - 1, XMLLanguage.class); |
| if (previousElement instanceof XmlToken) { |
| final IElementType tokenType = ((XmlToken)previousElement).getTokenType(); |
| |
| if (tokenType == XmlTokenType.XML_EMPTY_ELEMENT_END) { |
| return Result.STOP; |
| } |
| } |
| } |
| |
| PsiElement parent = element.getParent(); |
| if (parent instanceof XmlText) { |
| final String text = parent.getText(); |
| // check / |
| final int index = offset - parent.getTextOffset() - 1; |
| |
| if (index >= 0 && text.charAt(index)=='/') { |
| return Result.CONTINUE; // already seen / |
| } |
| element = parent.getPrevSibling(); |
| } else if (parent instanceof XmlTag && !(element.getPrevSibling() instanceof XmlTag) && |
| !(element.getPrevSibling() instanceof OuterLanguageElement)) { |
| element = parent; |
| } else if (parent instanceof XmlAttributeValue) { |
| element = parent; |
| } |
| } |
| else { |
| element = provider.findElementAt(editor.getDocument().getTextLength() - 1, XMLLanguage.class); |
| if (element == null) return Result.CONTINUE; |
| element = element.getParent(); |
| } |
| |
| if (offset > 0 && offset <= editor.getDocument().getTextLength()) { |
| if (editor.getDocument().getCharsSequence().charAt(offset - 1) == '/') { // Some languages (e.g. GSP) allow character '/' in tag name. |
| return Result.CONTINUE; |
| } |
| } |
| |
| if (element instanceof XmlAttributeValue) { |
| element = element.getParent().getParent(); |
| } |
| |
| while(element instanceof PsiWhiteSpace || element instanceof OuterLanguageElement) element = element.getPrevSibling(); |
| if (element instanceof XmlDocument) { // hack for closing tags in RHTML |
| element = element.getLastChild(); |
| } |
| if (element == null) return Result.CONTINUE; |
| if (!(element instanceof XmlTag)) { |
| if (element instanceof XmlTokenImpl && |
| element.getPrevSibling() !=null && |
| element.getPrevSibling().getText().equals("<")) { |
| // tag is started and there is another text in the end |
| EditorModificationUtil.insertStringAtCaret(editor, "</" + element.getText() + ">", false, 0); |
| } |
| return Result.CONTINUE; |
| } |
| |
| XmlTag tag = (XmlTag)element; |
| if (XmlUtil.getTokenOfType(tag, XmlTokenType.XML_TAG_END) != null) return Result.CONTINUE; |
| if (XmlUtil.getTokenOfType(tag, XmlTokenType.XML_EMPTY_ELEMENT_END) != null) return Result.CONTINUE; |
| final XmlToken startToken = XmlUtil.getTokenOfType(tag, XmlTokenType.XML_START_TAG_START); |
| if (startToken == null || !startToken.getText().equals("<")) return Result.CONTINUE; |
| |
| String name = tag.getName(); |
| if (elementAtCaret instanceof XmlToken && ((XmlToken)elementAtCaret).getTokenType() == XmlTokenType.XML_NAME) { |
| name = name.substring(0, offset - elementAtCaret.getTextOffset()); |
| } |
| if (tag instanceof HtmlTag && HtmlUtil.isSingleHtmlTag(name)) return Result.CONTINUE; |
| if (name.isEmpty()) return Result.CONTINUE; |
| |
| int tagOffset = tag.getTextRange().getStartOffset(); |
| |
| final XmlToken nameToken = XmlUtil.getTokenOfType(tag, XmlTokenType.XML_NAME); |
| if (nameToken != null && nameToken.getTextRange().getStartOffset() > offset) return Result.CONTINUE; |
| |
| HighlighterIterator iterator = ((EditorEx) editor).getHighlighter().createIterator(tagOffset); |
| if (BraceMatchingUtil.matchBrace(editor.getDocument().getCharsSequence(), editedFile.getFileType(), iterator, true,true)) { |
| PsiElement parent = tag.getParent(); |
| boolean hasBalance = true; |
| loop: while(parent instanceof XmlTag) { |
| if (name.equals(((XmlTag)parent).getName())) { |
| hasBalance = false; |
| ASTNode astNode = XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(parent.getNode()); |
| if (astNode == null) { |
| hasBalance = true; |
| break; |
| } |
| for (PsiElement el = parent.getNextSibling(); el != null; el = el.getNextSibling()) { |
| if (el instanceof PsiErrorElement && el.getText().startsWith("</" + name)) { |
| hasBalance = true; |
| break loop; |
| } |
| } |
| } |
| parent = parent.getParent(); |
| } |
| if (hasBalance) return Result.CONTINUE; |
| } |
| |
| Collection<TextRange> cdataReformatRanges = null; |
| final XmlElementDescriptor descriptor = tag.getDescriptor(); |
| |
| EditorModificationUtil.insertStringAtCaret(editor, "</" + name + ">", false, 0); |
| |
| if (descriptor instanceof XmlElementDescriptorWithCDataContent) { |
| final XmlElementDescriptorWithCDataContent cDataContainer = (XmlElementDescriptorWithCDataContent)descriptor; |
| |
| cdataReformatRanges = ContainerUtil.newSmartList(); |
| if (cDataContainer.requiresCdataBracesInContext(tag)) { |
| @NonNls final String cDataStart = "><![CDATA["; |
| final String inserted = cDataStart + "\n]]>"; |
| EditorModificationUtil.insertStringAtCaret(editor, inserted, false, cDataStart.length()); |
| int caretOffset = editor.getCaretModel().getOffset(); |
| if (caretOffset >= cDataStart.length()) { |
| cdataReformatRanges.add(TextRange.from(caretOffset - cDataStart.length(), inserted.length() + 1)); |
| } |
| } |
| } |
| |
| if (cdataReformatRanges != null && !cdataReformatRanges.isEmpty()) { |
| PsiDocumentManager.getInstance(project).commitDocument(editor.getDocument()); |
| try { |
| CodeStyleManager.getInstance(project).reformatText(file, cdataReformatRanges); |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| } |
| return cdataReformatRanges != null && !cdataReformatRanges.isEmpty() ? Result.STOP : Result.CONTINUE; |
| } |
| return Result.CONTINUE; |
| } |
| |
| private static boolean fileContainsXmlLanguage(PsiFile editedFile) { |
| if (editedFile.getLanguage() instanceof XMLLanguage) { |
| return true; |
| } |
| final FileViewProvider provider = editedFile.getViewProvider(); |
| if (provider.getBaseLanguage() instanceof XMLLanguage) { |
| return true; |
| } |
| return provider instanceof TemplateLanguageFileViewProvider && |
| ((TemplateLanguageFileViewProvider)provider).getTemplateDataLanguage() instanceof XMLLanguage; |
| } |
| } |
